WorldContextManager.hpp

#pragma once
 
#include <map>
#include <vector>
#include <Common/HashedString.hpp>
#include <Common/Memory/SmartPointers/UniquePtr.hpp>
 
#include "WorldContextSet.hpp"
#include "WorldContext.hpp"
 
namespace Grindstone {
    class WorldContextManager {
    public:
        static WorldContextManager* GetInstance();
 
        virtual void Register(HashedString name, Grindstone::UniquePtr<Grindstone::WorldContext>(*factoryFn)());
        virtual void Unregister(HashedString name);
        virtual void SetActiveWorldContextSet(Grindstone::WorldContextSet*);
        [[nodiscard]] virtual Grindstone::WorldContextSet* GetActiveWorldContextSet();
        [[nodiscard]] virtual Grindstone::WorldContextSet* Create();
        virtual void Remove(Grindstone::WorldContextSet* cxtSet);
        virtual void ClearContextSets();
 
        using WorldContextSetArray = std::vector<Grindstone::UniquePtr<Grindstone::WorldContextSet>>;
 
        virtual WorldContextSetArray::iterator begin();
        virtual WorldContextSetArray::const_iterator begin() const;
        virtual WorldContextSetArray::iterator end();
        virtual WorldContextSetArray::const_iterator end() const;
 
    private:
        size_t activeWorldIndex;
        std::map<HashedString, Grindstone::UniquePtr<Grindstone::WorldContext> (*)()> factoryFunctions;
        WorldContextSetArray worldContextSets;
    };
}